| A | B |
| the heart is covered with what | pericardium |
| 3 layers of the pericardium are | myocardium, endocardium and epicardium |
| heart has 4 chambers known as | atrium (upper chambers) and ventricles (lower chambers) |
| heart has what 4 valves | 2 AV (atrioventricular) valves and 2 semilunar vlaves |
| THE LEFT CORONARY ARTERY BRANCHES INTO WHAT 2 ARTERIES | 2 circumflex branch (POSTERIOR HEART)and anterior inter-ventricular (ANTERIOR HEART)branch |
| THE THREE DIFFERENT PARTS OF A BLOOD VESSEL ARE | TUNICA INTERNA, TUNICA MEDIA AND TUNICA EXTERNA |
| arteries take oxygenated blood _______ from the heart | away |
| veins take unoxengenated blood _____ the heart | back to |
| space the heart is contained in is known as the | mediastinum |
| left lung lobe has only 2 lobes while the right has 3 lobes to accommodate the heart being | in between the 2 lungs |
| the upper region of the heart is known as the | base |
| the lower region of the heart is known as the | apex |
| myocardium is the _______, _______ layer of the pericardium | middle, muscular |
| endocardium is the _______ layer of the pericardium | inner |
| epicardium is the _______ layer of the pericardium | outer |
| where do the superior and inferior vena cava open into | right atrium |
| what arteries supply blood to the heart muscle | coronary |
| interatrial septum divides the _______ form the _______ | right atrium, left atrium |
| blood flows from right atria into the right ventricle through what valve | Tricuspid also know as the right atrioventricular valve (AV valve) |
| intraventricular septum seperates the ______ from the ______ | right ventricle, left ventricle |
| blood from right ventricle goes to the lung through what valve | Pulmonary valve (right semilunar) |
| blood coming back fromn the lung enters the ______ | left atrium |
| blood flows from the left atria into the left ventricle through what valve | Bicuspid (left atria-ventricular (AV) valve |
| from the left ventricle blood goes through what valve to enter the aorta | aortic valve (left semilunar) |
| the _____ takes oxygenated blood to the body | aorta |
| the two major arteries of coronary circulation are known as | right coronary artery and left coronary artery |
| the great cardiac vein carries unoxegenated blood from _______ into ______ and | heart muscle, coronary sinus, back to the right atrium |
| the great cardiac vein is divided into what 2 veins | great cardiac vein, posterior interventricular vein |
| cardiac conduction pathway travels from | SA node to AV node to purkinjie fibers to wall of the heart |
| capilaries take blood ____ from the heart | away |